<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

</head>
<body>
<!--商标号-->
<p>My page&reg;  &copy; &trade;</p>
<!--数字运算-->
<p>1 &lt; 2<br/>
    4 &gt; 3<br/>
    1 &amp; 0<br/>
    2 &times; 2<br/>
    3 &divide; 3</p>
<!--引号-->
<p>&quot; my Name &quot;<br/>
<!--货币-->
<p>&cent;  &yen; &pound; &euro;</p>
<!--其余-->
<p>&sect;</p>
</body>
</html>